Toying with that again, I think simply having the text in bold has the best balance between readability and aggressivity. What do you think ?

@MichaelMure I don't think that helps, because now you're back in ambiguous mode when looking at this:

Does the [i] bind to the left or to the right?

@nh2 better late than never, I think we can settle on the following:

It has all the property you wanted (feel free to correct me) but I extended the background to the full width so it doesn't annoy me so much visually.